How do you adjust the air suspension of a Ford Expedition?

A:

Quick Answer

The air suspension used in the 2007 through 2011 Ford Expedition SUV is not normally user-adjustable, but can be turned on and off from the center console of the vehicle. It is possible to make adjustments to the system's behavior with specialized scanning tools if the vehicle is parked on level ground, but this requires connecting the scanning tool directly to the vehicle's data link ports and requires some mechanical expertise about the operation of the system.

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The air suspension system used in the 2007 through 2011 model years of the Ford Expedition operates by inflating or deflating two air bags in the suspension. One air bag is placed at each axle, and sensors at each end of the vehicle determine the ride height of the front and rear ends. The system attempts to adjust the inflation of each air bag to equalize the ride heights of the front and rear in response to driving conditions and changes in the Expedition's passenger and cargo load. If the system is shut off, the air suspension no longer attempts to actively adjust the amount of air in the system, and the suspension should maintain a constant ride height if there are no changes in the vehicle's cargo load. However, the Expedition's air suspension system does not have multiple modes such as comfort or sport settings, as do some luxury vehicles with adjustable suspensions.